<!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<form class="form-horizontal" action="L" method="POST">
{{ csrf_field() }}
<div class="form-group">
    <label for="inputEmail3" class="col-sm-2 control-label"><h3>登录</h3></label>
  </div>

  <div class="form-group">
    <label for="inputEmail3" class="col-sm-2 control-label">账号</label>
    <div class="col-sm-10">
      <input type="text"   placeholder="手机/邮箱/个人空间地址">
    </div>
  </div>
  <div class="form-group">
    <label for="inputPassword3" class="col-sm-2 control-label">密码</label>
    <div class="col-sm-10">
      <input type="password"   placeholder="请输入密码">
    </div>
  </div>
  <div class="form-group">
    <div class="col-sm-offset-2 col-sm-10">
      <div class="checkbox">
        <label>
          <input type="checkbox"> Remember me
        </label>
      </div>
    </div>
  </div>
  <div class="form-group">
    <div class="col-sm-offset-2 col-sm-10">
      <button type="submit" class="btn btn-default">登录</button>
    </div>
  </div>

  <div class="form-group">
    <label for="inputEmail3" class="col-sm-2 control-label">----其他方式登录----</label>
  </div>
  <div class="form-group">
    <a href="L"><img src="QQ.png" alt=""></a>
  </div>
</form>